Book shelf bank



FIG. 1 is a top, front and right-side perspective view of a book shelf bank showing my new design;

FIG. 2 is a right side elevational view the opposite side being a mirror image;

FIG. 3 i s a front elevational view; and,

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a book shelf bank, as shown and described. 